Wash Bay and Silt Trap

Silt-Trap-2Waste produced from vehicle washing and cleaning can include, for example, water contaminated with oil, detergents, silt or sludge. You can produce this waste through vehicle washing and cleaning by all methods, including:

  • automatic wash systems
  • washing by hand
  • using high pressure or steam cleaners
  • washing or cleaning plant/machinery

at all sites including:

  • retail premises
  • business and industrial premises
  • public and private car parks
  • former petrol filling stations

Effluent and run-off from vehicle washing and cleaning activities can damage the environment and pollute rivers, streams, burns and groundwater. Dirt, brake dust, traffic film residue and oil that is washed off are all pollutants. The cleaning agents you use (including those labelled biodegradable or traffic film removers) are very poisonous to river life. If you cause pollution, you are breaking the law and spoiling your environment. Dirty water or run-off from vehicle washing and cleaning carried out as a business or industrial activity is called trade effluent. It’s illegal to discharge trade effluent to the environment or into drains without permission.

Environmental Construction Ltd can help with the design of any wash bay that will suit you’re needs. We can help plan, design and construct the wash bay with minimal disruption to your workplace. There are various types of wash bays, and with our trained professionals we can help you choose the correct one.



Environmental Construction Ltd is based in Bridgend, South Wales but cover all of the UK. We especially cover West Wales, Mid Wales, South Wales, East Wales and also the South West of England which areas include:

Bridgend, Cardiff, Newport, Hereford, Neath, Port Talbot, Swansea, Carmarthen, Pembrokeshire, Haverfordwest, Aberystwyth.

Bristol, Somerset, Bath, Exeter, Barnstaple, Dorset, Cornwall, Devon, Southampton, Worcester.


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